“鲁宾(Rubin)之壶”是典型的同构图形。( )
参考答案：错
The music, ___ which the active elderly were dancing, sounded a bit familiar ____ me.
A．to; to
B．from; with
C．to; with
D．at; to
陆侧第（）批或桥吊司机无法观察到的集装箱作业时，首先要让指挥人员确定箱位箱型与吊具或带箱箱型统一后方可作业。
A、一
B、二
C、三
D、四
